What is CVE-2020-22336?

CVE-2020-22336 is a critical-severity vulnerability in Pdfcrack Project, classified under Out-of-bounds Write. CVSS score: 9.8/10. Published 2023-07-06.

How severe is CVE-2020-22336?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Is CVE-2020-22336 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Buffer overflow in Pdfcrack Project

CVE-2020-22336

An issue was discovered in pdfcrack 0.17 thru 0.18, allows attackers to execute arbitrary code via a stack overflow in the MD5 function.

Vulnerability class: Buffer Overflow

Published 2023-07-06 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.012 (67.0th percentile), scored 2026-10-02.

Low probability of exploitation in the next 30 days, but still tracked. 67th percentile — 67.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.012 · newest: 0.012 · change: 0.000

Affected products

Pdfcrack Project

Weakness classification (CWE)

CWE-787 — Out-of-bounds Write

Public proof-of-concept exploits

p1ay8y3ar/crashdatas

References

sourceforge.net/p/pdfcrack/bugs/12/ (Exploit)
lists.debian.org/debian-lts-announce/2023/08/msg00004.html (mailing-list)

Frequently asked questions

What is CVE-2020-22336?: CVE-2020-22336 is a critical-severity vulnerability in Pdfcrack Project, classified under Out-of-bounds Write. CVSS score: 9.8/10. Published 2023-07-06.
How severe is CVE-2020-22336?: Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2020-22336 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.